q=b2(mn−a2)a2p
q=m2n−a2p2
q=mn−2b2a2
q=b2(n2−ma2)n
Correct answer is A
mna2−pqb2=1
mna2−1=pqb2
mn−a2a2=pqb2
pq=b2(mn−a2)a2
q=b2(mn−a2)a2p
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